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Adjust disasm automatic behavior. Print out symbol names for function and data pointers

This commit is contained in:
rozlette 2019-09-26 00:18:22 -05:00
parent 9fe4f51f97
commit dbb90b579e
4 changed files with 4972 additions and 4110 deletions
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4106
include/functions.h
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2479
include/variables.h
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18
tools/disasm.py
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@ -308,13 +308,19 @@ class Disassembler:
else: else:
return "%s" % filename return "%s" % filename
def guess_functions_from_data(self): def guess_functions_and_variables_from_data(self):
for file in self.files: for file in self.files:
for i in range(0, file.size // 4): for i in range(0, file.size // 4):
word = file.get_inst(i) word = file.get_inst(i)
addr = file.vaddr + i*4 addr = file.vaddr + i*4
if self.is_in_data(addr) and self.is_in_code(word): if self.is_in_data(addr):
self.add_function(word) if self.is_in_code(word) and (word % 4) == 0:
None
# TODO functions are disabled for now due to behaving poorly with switches. This should be a flag.
#self.add_function(word)
elif self.is_in_data(word):
self.add_variable(word)
def disassemble(self, path): def disassemble(self, path):
self.first_pass() self.first_pass()
@ -347,7 +353,7 @@ class Disassembler:
# don't split if it's the start of a data section, it's probably the same object # don't split if it's the start of a data section, it's probably the same object
if not self.is_in_data_or_undef(new_object_start): if not self.is_in_data_or_undef(new_object_start):
self.add_object(new_object_start) self.add_object(new_object_start)
self.guess_functions_from_data() self.guess_functions_and_variables_from_data()
self.has_done_first_pass = True self.has_done_first_pass = True
def second_pass(self, path): def second_pass(self, path):
@ -378,6 +384,10 @@ class Disassembler:
if not self.is_in_data_or_undef(addr): if not self.is_in_data_or_undef(addr):
f.write("/* %06d 0x%08X %08X */ %s\n" % (i, addr, inst, self.disassemble_inst(inst, addr, i, file))) f.write("/* %06d 0x%08X %08X */ %s\n" % (i, addr, inst, self.disassemble_inst(inst, addr, i, file)))
elif inst in self.functions:
f.write("/* %06d 0x%08X */ .word\t%s\n" % (i, addr, get_func_name(inst)))
elif self.is_in_data(inst):
f.write("/* %06d 0x%08X */ .word\t%s\n" % (i, addr, get_symbol_name(inst)))
else: else:
f.write("/* %06d 0x%08X */ .word\t0x%08X\n" % (i, addr, inst)) f.write("/* %06d 0x%08X */ .word\t0x%08X\n" % (i, addr, inst))

2479
undef.txt
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